Guardian, Protector, Mentor
Master Sgt. Sullivan is a First Sergeant for the 459th Aeromedicine Squadron is the manager of the Washington Metropolitan Transit Authority counter-terrorism unit. Sergeant Sullivan began his career in law enforcement at the age of 18 as a Security Policeman in the active Air Force and has been a member of the 459th Air Refueling Wing since 1998. (U.S. Air Force Photo/Capt. Nick Strocchia)